.zyh_yhxy {
    width: 100%;
    background-color: black;
    color: #f4f4f4;
    font-family: Arial, sans-serif;
    line-height: 1.6;
    /* padding: 20px; */
    /* box-sizing: border-box; */
}

.zyh_yhxy_content {
    padding: 20px;
    box-sizing: border-box;
    padding-top: 5vh;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    color: #f4f4f4;
}

ul,
ol {
    padding-left: 20px;
    box-sizing: border-box;
}

code {
    background-color: #f4f4f4;
    border: 1px solid #ddd;
    padding: 2px 4px;
    box-sizing: border-box;
    font-family: monospace;
}